Abstract
This research aims at studying the relationship of factors used in the process of spray coating in cookware industry. This research is divided into two parts. One is studied using an experimental design process, and the other is the geometric modeling for the process of exterior spray coating. This experiment is conducted to determine the appropriate parameters with an aim to use the least amount of coating material and the standard dry film thickness. The important factors of study are consisted of the height of spray gun, angle, spray pressure, spray time, and nozzle size. From the analysis of the experiment, it can be concluded that 23 cm of height, 95 degrees of gun angle, 5.4 bar of air pressure 1.95 seconds of spray time, 295 degrees of nozzle size is proposed. As a result, it can decrease the consumption around 2.82 g per piece.
Highlights
In cookware industry, apart from the standard size and shape of the product, the coating apprearance is another important factor to maintain the quality of the product’s surface as well
The researcher used the computer program for analyzing the results of thickness as shown in Table 2; and the amount of colors as shown in Table 3 which was described the variation of the factors in the experiment; and the factors which effect on the responded variable by using the Pvalue to accept or reject the hypothesis with the significance level at 0.05
- Gun Angle and Air Pressure that affected on the dry film thickness
Summary
Apart from the standard size and shape of the product, the coating apprearance is another important factor to maintain the quality of the product’s surface as well. The coating prevents the corrosion, moisture in the material, and in terms of aesthetic. The coating helps to decorate the product’s surface in the final process. These will affect the quality of the product. Due to highly competitive and rising cost of production such as raw material and labor cost, it results in reducing cost of production. This satisfies the customers’ demands and the product quality
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